en.Wedoany.com Reported - Researchers at the University of Melbourne have developed a 3D-printed bird nest using mushroom-based materials to address the habitat loss for birds like marsh tits. Designer Dan Parker innovatively proposed the concept of "artificial tree hollows," aiming to simulate the waterproof and insulated environment birds find in dead tree cavities. Human activities have significantly reduced such natural habitats, forcing many bird species to compete for limited tree hollow resources.

While traditional bird boxes have been used as substitutes for years, they suffer from two major issues: dominant species like great tits often occupy standard nesting sites, and commercially available bird boxes vary in quality, often prone to leaks and ventilation problems, posing threats to chicks. Parker successfully addressed these challenges by combining 3D printing technology with biological growth methods. He used sawdust and plant-based biodegradable plastic to 3D print the nest, then inoculated it with reishi mushrooms, allowing the mushrooms to grow within the structure and form a dense mycelium material.

Parker noted that this material, due to its rapid growth and strength, has already been used in building insulation and earplug manufacturing. The use of 3D printing technology makes nest production more precise and efficient. Beyond material innovation, the nest design also fully considers the behavioral characteristics of marsh tits, featuring a smaller entrance to prevent competing species from entering. To validate the effectiveness, Parker placed 10 mycelium nests and set up 10 standard bird boxes as a control group, monitoring internal conditions, occupancy rates, and the proportion of healthy chicks produced.

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